The Collaborative International Dictionary
Absquatulate \Ab*squat"u*late\, v. i. To take one's self off; to decamp. [A jocular word. U. S.] [1913 Webster] ||
Douglas Harper's Etymology Dictionary
1837, "Facetious U.S. coinage" [Weekley], perhaps based on a mock-Latin negation of squat "to settle." Said to have been used by the U.S. Western character "Nimrod Wildfire" in the play "The Kentuckian," as re-written by British author William B. Bernard and staged in London in 1833. Related: Absquatulated; absquatulating.
Wiktionary
vb. 1 (context intransitive slang English) To leave quickly or in a hurry; to take oneself off; to decamp; to depart, flee. (from 19th c.)(R:SOED5: page=9) 2 (context intransitive slang English) to abscond.
WordNet
Usage examples of "absquatulate".
A whole bunch of Taylor's men, more than 200, had absquatulated before he took Monterrey.